This is part of the Emacs Starter Kit.
Java-script Helpers
(font-lock-add-keywords
'espresso-mode `(("\\(function *\\)("
(0 (progn (compose-region (match-beginning 1) (match-end 1)
"ƒ")
nil)))))
(font-lock-add-keywords 'espresso-mode
'(("\\<\\(FIX\\|TODO\\|FIXME\\|HACK\\|REFACTOR\\):"
1 font-lock-warning-face t)))
(autoload 'espresso-mode "espresso" "Start espresso-mode" t)
(add-to-list 'auto-mode-alist '("\\.js$" . espresso-mode))
(add-to-list 'auto-mode-alist '("\\.json$" . espresso-mode))
(add-hook 'espresso-mode-hook 'moz-minor-mode)
(add-hook 'espresso-mode-hook 'turn-on-paredit)
(add-hook 'espresso-mode-hook 'run-coding-hook)
;; (add-hook 'espresso-mode-hook 'idle-highlight)
(setq espresso-indent-level 2)
(defun esk-pp-json ()
"Pretty-print the json object following point."
(interactive)
(require 'json)
(let ((json-object (save-excursion (json-read))))
(switch-to-buffer "*json*")
(delete-region (point-min) (point-max))
(insert (pp json-object))
(goto-char (point-min))))